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Yoji Yamamoto
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Nishinomiya-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cathode structure including barrier for preventing metal bridging f...
Patent number
7,414,356
Issue date
Aug 19, 2008
Matsushita Electric Industrial Co., Ltd.
Yoji Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-yield cathode body, cathode sleeve structure, and cathode-ray...
Patent number
6,992,427
Issue date
Jan 31, 2006
Matsushita Electric Industrial Co., Ltd.
Mika Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun having short length and cathode-ray tube apparatus usi...
Patent number
6,828,717
Issue date
Dec 7, 2004
Matsushita Electric Industrial Co., Ltd.
Yoji Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Indirectly heated cathode with a thermal absorption layer on the sl...
Patent number
6,300,711
Issue date
Oct 9, 2001
Matsushita Electronics Corporation
Yoji Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods of manufacturing heater and cathode-ray tube comprising the...
Patent number
6,294,065
Issue date
Sep 25, 2001
Matsushita Electric Industrial Co., Ltd.
Masaki Kawasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Indirectly heated cathode for a CRT having high purity alumina insu...
Patent number
6,242,854
Issue date
Jun 5, 2001
Matsushita Electronics Corporation
Yoji Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode-ray tube with electron beams of increased current density
Patent number
6,201,345
Issue date
Mar 13, 2001
Matsushita Electronics Corporation
Satoru Nakagawa
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Cathode structure, electron gun, and cathode ray tube
Publication number
20040207307
Publication date
Oct 21, 2004
Yoji Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-yield cathode body, cathode sleeve structure, and cathode-ray...
Publication number
20030173886
Publication date
Sep 18, 2003
Mika Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electron gun having short length and cathode-ray tube apparatus usi...
Publication number
20030080668
Publication date
May 1, 2003
Yoji Yamamoto
H01 - BASIC ELECTRIC ELEMENTS